Heliogravure VIII – More About Etching

In a previous post have been exposed a general method to reduce the number of etching baths and rationalize the relationship between the total etching time and the partial etching times in the respective baths. Here we will analyse a sequential fine tuning of a couple of ferric chloride baths having previously determined a total …

Heliogravure VII – Observing the Lateral Etching

Single or binocular loupes are often used to observe the effects of the etching on the surface of the copperplate. Depending on the kind of resin or screen used, it is sometimes difficult to view in detail what happens at this level. In some cases would be very useful to take a picture in order …

A Hybrid Approach to Photogravure on Copperplate

The text and the images on this post have been published as an article in the Newsletter No4 (December 2016) from the Analogue Group of the Royal Photographic Society. Reference/Citation: MITJÀ, Carles (2016) A hybrid approach to photogravure on copperplate. Analogue (4) pages 3 to 6. Bath: The Royal Photographic Society. Photogravure was part of …

Tower of Babel

Some days ago its been a discussion in Facebook about the correct word defining different printing techniques. It is a periodically recurrent discussion about the correct word to name a photogravure print, depending on the way it was generated. A paragraph in the discussion said: “... referred to her etchings as engravings--a much different technique.” …